Teachers' Day is observed in Cuba every December 22 to commemorate the anniversary of the Cuban Literacy Campaign, which began on January 1, 1961, and concluded on December 22, 1961. This campaign aimed to eradicate illiteracy, which affected 34-40% of the population at the time, and is recognized as one of the world's most ambitious literacy initiatives. The successful completion of this campaign is celebrated on Teachers' Day, honoring the dedication and hard work of educators. On this day, special ceremonies are held in schools across Cuba, where students express their gratitude to teachers by giving flowers and organizing various entertaining activities. The day serves as a reminder of the importance of literacy and education in the country.